Display screen or portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing the new design.

The outermost broken line showing of a display screen or portion thereof illustrates portions of the article and does not form part of the claimed design.

The solid grey border within the broken lines but surrounding the graphics does not form part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 